Seiko Cal. 5644 - 429

This Hand-Winding model from 1986 features a 37mm Two-Tone case. With its 21mm lug width and 13.1mm profile, it sits comfortably on most wrists. [seikata-wm-3da01b53ead7]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1986

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